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RAK14013 WisBlock Joystick Module Datasheet

Overview​

Figure 3588: RAK14013 WisBlock Joystick Module

Description​

The RAK14013 is a joystick module with embedded MCU based on ATTINY441-SSU from Atmel. It has four common tactile push buttons and a rotary 2-axis analog joystick. The status of the buttons and voltage readings of an analog joystick is monitored by the MCU and converted to digital data via I2C interface. RAK14013 doesn't have a WisBlock standard connector so you need a RAK14007 adapter board to plug it into to WisBlock Base module. The RAK14013 communicates to the WisBlock Core via I2C interface.

Features​

  • Joystick module and push buttons
  • I2C interface
  • 3.3 V Power supply
  • Chipset: ATMEL ATTINY441-SSU
  • Module Size: 54 mm x 85 mm

Specifications​

Overview​

Mounting​

The RAK14013 WisBlock Joystick Module can be mounted to the IO slot of the WisBlock Base board. Figure 2 shows the mounting mechanism of the RAK14006 on a WisBlock Base board, such as the RAK5005-O.

Figure 3589: RAK14013 WisBlock Joystick Module mounting

Hardware​

The hardware specification is categorized into three parts. It provides the pinouts of the module and their corresponding functions and diagrams. Also, it shows the mechanical parameters of the RAK14013 WisBlock Joystick Module.

Chipset​

VendorPart number
ATMELATTINY441-SSU

Pin Definition​

The pin definition of the RAK14013 connector is shown in Figure 3.

Figure 3590: RAK14013 WisBlock Joystick Module pinout
NOTE
  • 3V3, I2C related pin, RESET, and INT are connected to cable
  • This connector is also for updating the MCU software

Mechanical Characteristics​

Board Dimensions​

Figure 4 shows the dimensions and the mechanical drawing of the RAK14013 module.

Figure 3591: RAK14013 WisBlock Joystick Module Dimensions
WisConnector PCB Layout​
Figure 3592: WisConnector PCB footprint and recommendations

Schematic Diagram​

Figure 6 shows the schematic of the RAK14013 WisBlock Joystick Module.

Figure 3593: RAK14013 WisBlock Joystick Module schematic
Power Supply and I2C​

Power supply and I2C connections are shown in Figure 7.

Figure 3594: RAK14013 Power supply and I2C
MCU Circuit​

The RAK14013 uses ATTINY441-SSU microcontroller unit (MCU) to control the four tactile push buttons and a rotary series potentiometer of the joystick.

Figure 3595: MCU circuit
Joystick Circuit​

Joystick circuit diagram is shown in Figure 9.

Figure 3596: RAK14013 joystick
Tactile Pushbuttons Circuit​

Tactile Pushbuttons circuit diagram is shown in Figure 10.

Figure 3597: RAK14013 tactile push buttons
Debug Connector​

Debug connector circuit diagram is shown in Figure 11.

Figure 3598: RAK14013 debug connector